Unit 1 Period 2 Learning About Language（Word教参）-【优学精讲】2026-2027学年高中英语选择性必修第二册同步教参（人教版）

Period 2　Learning About Language 表语从句 在主从复合句中充当表语的从句，叫作表语从句，常位于连系动词(be、 seem、 look、 appear、 remain等)之后，用来说明主语的性质、状态。 一、表语从句的连接词 (1)(教材P2) The other was that cholera was caused by an infection from germs in food or water. 另一种看法是食物或饮用水中的细菌感染导致霍乱。 (2)What we are discussing right now is whether the school sports meeting will be held as planned next week.　我们此刻正在讨论的是校运动会下周是否会如期举行。 (3)(2025·北京卷)The truth, though, is what could be guessed—there's never anyone else here. 不过，真相其实是可以猜到的——这里从来就没有过其他人。 (4)The dilemma is whose advice we should follow in this situation.　困境是在这种情况下我们应该听从谁的建议。 (5)(2023·新高考全国卷Ⅱ) This is why they need an English trainer.　这就是他们需要一位英语教师的原因。 (6)My parents' constant concern is how I can adapt to the busy and challenging study life in senior high school.　父母一直关心的事是我如何适应高中忙碌且充满挑战的学习生活。 (7)The smile on his face looks as if he has known the good news that he passed the math exam successfully. 他脸上的笑容看起来好像他已经知道了自己顺利通过数学考试的好消息。 (8)She is always full of energy. This is because she maintains a healthy lifestyle, eating a balanced diet and exercising every day. 她总是精力充沛。这是因为她保持着健康的生活方式：饮食均衡且每天都锻炼。 1．that、whether引导表语从句 that、 whether引导表语从句时在从句中不作任何成分，that无实际意义，whether意为“是否”。 一般不用if引导表语从句。 2．连接代词引导表语从句 常见的连接代词有what、 which、 who、 whom、 whose、 whoever、 whatever、 whichever等，这类连接代词有实际意义，通常在从句中作主语、宾语、表语或定语等。 3．连接副词引导表语从句 常见的连接副词有when、 where、 why、 how等，通常在从句中作时间、地点、原因、方式状语等。 4．其他连接词引导表语从句 because、 as if/though、 as、 like等也可以引导表语从句。 二、表语从句的注意事项 (1)The question that we are discussing heatedly is why the school canceled the spring sports meeting suddenly. 我们正在热烈讨论的问题是学校为何突然取消了春季运动会。 (2)He is very knowledgeable about history and this is because he has read a large number of historical books and visited many historical sites. 他对历史非常了解。这是因为他读过大量历史书籍，还参观过许多历史遗迹。 (3)The reason why the school canceled the outdoor activity is that the weather forecast warned of a strong rainstorm this afternoon. 学校取消户外活动的原因是天气预报预警今天下午会有强暴雨。 (4)(2023·浙江卷1月)However, experts' suggestion is that you (should) take one day off completely each week. 然而，专家的建议是你应该每周彻底休息一天。 1．why与because引导表语从句的区别 “This/That is/was why...”意为“这/那就是为什么……”，强调结果；“It/This/That is/was because...”意为“这/那是因为……”，强调原因。 2．reason作主语时的表语从句 reason作主语时，表语从句的连接词往往用that，不用because。 3．表语从句与虚拟语气 如果主语是advice、 suggestion、 proposal、 request、 order等名词时，表语从句的谓语动词的形式为“(should＋)动词原形”。 Ⅰ.单句语法填空 1．The most important thing for students is what they can learn from every failure in their studies. 2．What defines a true leader is who can inspire and guide others effectively. 3．He studied diligently every day without taking a break; that was why he achieved top scores on his exams. 4．We missed the train, and it was because we got caught in the unexpected heavy rain. 5．The reason for such a serious accident was that the driver was too careless. 6．What is the most extraordinary about these complex structures is how they were built without the use of wheels, metal tools or even animal power. 7．You are only twenty years old, and you can be whoever you want to be. 8．As is well-known to all, the Spring Festival is when the family are reunited and celebrate together. 9．The point is whether we should lend him the money or not. 10．My proposal is that you (should) arrange (arrange) for your assistant to deal with this matter. Ⅱ.语法与写作 1．他在演讲时感到更加自信，这是因为他已经做好了充分准备。 He felt more confident during his presentation, which is because he had thoroughly prepared． 2．她看起来好像几天没睡觉了，眼睛又红又肿。 She looked as if/though she hadn't slept for days, her eyes red and puffy. 3．这种奉献精神和辛勤工作正是他的照片中所体现出来的东西。 This devotion and hard work is what is reflected in his photos． 4．我迟到的原因是我遇到了严重的交通拥堵。 The reason why I came late was that I was caught in the heavy traffic． 5．最美好的时刻是放学后我们聚在一起为我们的同学庆祝生日的时候。 The best time is when we gather together to celebrate our classmate's birthday after school． 6．我们需要面对的问题是我们该把更多时间用在英语阅读上还是写作练习上。 The problem we need to face is whether we should spend more time on English reading or writing practice． 学科网（北京）股份有限公司 $